/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hive.ql.security.authorization.plugin;

import java.util.Map;

/**
 * Captures authorization policy information on a {@link HivePrivilegeObject}.
 */
public interface HiveResourceACLs {
  /**
   * Privilege types.
   */
  enum Privilege {
    SELECT, UPDATE, CREATE, DROP, ALTER, INDEX, LOCK, READ, WRITE
  };

  /**
   * Privilege access result.
   */
  enum AccessResult {
    ALLOWED, NOT_ALLOWED, CONDITIONAL_ALLOWED
  };

  /**
   * @return Returns mapping of user name to privilege-access result pairs
   */
  Map<String, Map<Privilege, AccessResult>> getUserPermissions();

  /**
   * @return Returns mapping of group name to privilege-access result pairs
   */
  Map<String, Map<Privilege, AccessResult>> getGroupPermissions();

}
